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  2. Optical illusion - Wikipedia

    en.wikipedia.org/wiki/Optical_illusion

    Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.

  3. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image: A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours

  4. Illusion - Wikipedia

    en.wikipedia.org/wiki/Illusion

    An auditory illusion is an illusion of hearing, the auditory equivalent of a visual illusion: the listener hears either sounds which are not present in the stimulus, or "impossible" sounds. In short, audio illusions highlight areas where the human ear and brain, as organic, makeshift tools, differ from perfect audio receptors (for better or for ...

  5. Op art - Wikipedia

    en.wikipedia.org/wiki/Op_art

    Op art, short for optical art, is a style of visual art that uses optical illusions. [ 1 ] Op artworks are abstract , with many better-known pieces created in black and white.

  6. Trompe-l'œil - Wikipedia

    en.wikipedia.org/wiki/Trompe-l'œil

    Ceiling of the Treasure Room of the Archaeological Museum of Ferrara, Italy, painted in 1503–1506. Trompe-l'œil (French for 'deceive the eye'; / t r ɒ m p ˈ l ɔɪ / tromp-LOY; French: [tʁɔ̃p lœj] ⓘ) is an artistic term for the highly realistic optical illusion of three-dimensional space and objects on a two-dimensional surface.

  7. Geometrical-optical illusions - Wikipedia

    en.wikipedia.org/wiki/Geometrical-optical_illusions

    Ponzo illusion in a purely schematic form and, below, with perspective clues. However, almost all geometrical optical illusions have components that are at present not amenable to physiological explanations. [4] The subject, therefore, is a fertile field for propositions based in the disciplines of perception and cognition. [5]

  8. The optical illusion hidden in the 'Mona Lisa' explained - AOL

    www.aol.com/news/2015-08-22-the-optical-illusion...

    Art historians say Leonardo da Vinci hid an optical illusion in the Mona Lisa's face: she doesn't always appear to be smiling. There's question as to whether it was intentional, but new research ...

  9. Perceived visual angle - Wikipedia

    en.wikipedia.org/wiki/Perceived_visual_angle

    An optical illusion where the physical and subjective angles differ is then called a visual angle illusion or angular size illusion. Angular size illusions are most obvious as relative angular size illusions, in which two objects that subtend the same visual angle appear to have different angular sizes; it is as if their equal-sized images on ...